Name
ipc_check_perms —
check security and permissions for an ipc object
Synopsis
int ipc_check_perms ( | struct ipc_namespace * ns, |
| | struct kern_ipc_perm * ipcp, |
| | const struct ipc_ops * ops, |
| | struct ipc_params * params); |
Arguments
struct ipc_namespace * ns
ipc namespace
struct kern_ipc_perm * ipcp
ipc permission set
const struct ipc_ops * ops
the actual security routine to call
struct ipc_params * params
its parameters
Description
This routine is called by sys_msgget, sys_semget and sys_shmget
when the key is not IPC_PRIVATE and that key already exists in the
ds IDR.
On success, the ipc id is returned.
It is called with ipc_ids.rwsem and ipcp->lock held.